535401609 has 8 divisors (see below), whose sum is σ = 714779040. Its totient is φ = 356479296.

The previous prime is 535401593. The next prime is 535401619. The reversal of 535401609 is 906104535.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 535401609 - 2⁴ = 535401593 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 535401609.

It is not an unprimeable number, because it can be changed into a prime (535401619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111024 + ... + 115745.

It is an arithmetic number, because the mean of its divisors is an integer number (89347380).

Almost surely, 2^535401609 is an apocalyptic number.

It is an amenable number.

535401609 is a deficient number, since it is larger than the sum of its proper divisors (179377431).

535401609 is a wasteful number, since it uses less digits than its factorization.

535401609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227559.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 535401609 is about 23138.7469193991. The cubic root of 535401609 is about 812.0072197381.

The spelling of 535401609 in words is "five hundred thirty-five million, four hundred one thousand, six hundred nine".